Composed of an alloy with a high nickel content, these balls offer remarkable mechanical properties and excellent corrosion resistance. They are particularly suitable for demanding environments, ensuring reliability and durability. As an expert in precision ball distribution, Marteau- Lemarie ensures a rapid availability of these products in stock in France.
Chemical composition of the inconel® 718 alloy ball
| Element | type | C | If | Mn | P | S | Cr | Neither | Cu | Mo | Ti | Nb | Al | Co | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % | N07718 | 0,020-0,080 | max. 0.35 | max. 0.35 | 0.015 max | 0.015 max | 17,00-21,00 | 50,00-55,00 | max. 0.30 | 2,80-3,30 | 0,60-1,20 | 4,70-5,50 | 0,30-0,70 | 1.00 max | balance |
Physical characteristics of the inconel® 718 alloy ball
| Ownership | Value | Unit |
|---|---|---|
| Density | 8.2 | g/cm3 |
| Young Module | 204 | GPA |
| Thermal expansion coefficient | 13 (DT=0-100°C) | × 10−6 /°C |
| Thermal conductivity | 11.3 | W/m·K |
| Electrical resistivity | 1250 | × 10 - 9 D·m |
| Specific heat | 435 | J/kg·K |
| Relative magnetic permeability | 1,010 | — |
| Magnetic behaviour | Paramagnetic | — |
Hardness and mechanical resistance of inconel® 718 alloy ball
| Ownership | Value | Unit |
|---|---|---|
| Hardness | 35-48 | HRC |
| Hardness | 344-485 | HV |
| Tensile failure load | 1100-1300 | MPa |
| Tensile failure load | 160-188 | psix10^3 |
| Exercise temperatures | -196/700 | ° C |
| Exercise temperatures | -320,8/1292 | °F |
Diameters and grades available for inconel® 718 alloy ball
| Parameter | Value |
|---|---|
| Minimum diameter | 1 mm — 3/64′′′ |
| Maximum diameter | 100 mm — 4′′ |
| Grades available | G50-100-200-500 |
| Precision standards | ISO 3290 / AFBMA |
Corrosion resistance of the inconel® 718 alloy ball
Similar to that of other Ni-based alloys, excellent resistance to corrosion by pitting and pore.
International Standards for Inconel® 718 Alloy Ball
| ITA | USA (AISI) | DIN (GER) | AFNOR (FRA) | UK | GOST (RUS) | GB (CHN) | JIS (JPN) |
|---|---|---|---|---|---|---|---|
| – | N07718 | 2.4668 | CN 19 Fe Nb | – | – | GH/4169 | – |
Applications of Inconel® 718 Alloy Ball
Engine turbines, aerospace and cryogenic applications.
